Improvement in paper-feeders



JOHN H. GRAY AND VILLIAM- B. TURNER, OF vST. ANTHONY, MINNESOTA. i

NITED STATES PATENT OFFICE.

IMPROVEMENT IN PAPER-FEEDERS.

Specification forming part ofLetters Patent No. 98,253. dated December 28, 1869.

To L ZZ whom) it may concern:

Be it known that we, JOHN H. GRAY and WILLIAM. B. TURNER, of St. Anthony, in the county of Hennepin and State of Minnesota, have invented. certain new and useful Iniprovements in the Feed Apparatus of Printing-Presses, of which the following is a full and exact description, reference being made to the accompanying drawings and letters of reference marked thereon, which make a part of this specication The design of our inventionis to provide an automatic land more perfect adjustment, against the nippers and guides, of each sheet of paper as it is laid upon thefeed-board to be drawn intothe press.

- To enable others to make and use our invention, we will describe its construction and operation.

A represents in sectional and top views the feed-boardof the press, beneath the surface of which is a shallow air-chamber, the sides of which are shown at B B. Thisl chamber is supplied with air, through blast-pipe C, by means of an air-pump, bellows, or fan, which is to be attached and operated as shall be most convenient with reference to other parts of the machinery, no particular mode of attaching the same being claimed in this specification,

l the supply of air being regulated according to nippers and guides on the two sides EE2 will be instantly effected by the blast, composed of fine air-currents from the chamber B, coming through the perforated board, and striking with oblique force the under side of the sheet.

Ve claim as our invention- The feed-boardv A, obliquely perforated, and connected with chamber B, out of which, by means of a pump or other pneumatic apparatus, air-currents may be driven through such oblique perforations in direction of the guides E E?, substantially as and for the purpose dcscribed. v

JOHN H. GRAY. WILLAM B. TURNER. Witnesses:

WM. CHENEY, GEo. H. RUsT. 

